Air tower



FIG. 1 is a front perspective view of one embodiment of an air tower of the present disclosure for use in a refrigerating appliance;

FIG. 2 is a front elevational view of the air tower of FIG. 1;

FIG. 3 is a side perspective view of the air tower of FIG. 1;

FIG. 4 is a front perspective view of the air tower of FIG. 1 with the environment removed;

FIG. 5 is an enlarged front perspective view of a top left corner of the air tower of FIG. 4;

FIG. 6 is an enlarged top plan cross-sectional view of the air tower, taken at the line VI-VI of FIG. 2;

FIG. 7 is a front perspective view of another embodiment of an air tower for use on an interior wall of an appliance of the present disclosure;

FIG. 8 is a front elevational view of the air tower of FIG. 7;

FIG. 9 is a side perspective view of the air tower of FIG. 7;

FIG. 10 is a front perspective view of the air tower of FIG. 7 with the environment removed;

FIG. 11 is an enlarged front perspective view of a top left corner of the air tower of FIG. 10;

FIG. 12 is an enlarged top plan cross-sectional view the air tower, taken at the line XII-XII of FIG. 8;

FIG. 13 is a front elevational view of the air tower of FIG. 7 with the environment removed; and,

FIG. 14 is a front elevational view of area XIV of the air tower illustrated in FIG. 13.

The dashed lines depict portions of the article that form no part of the claimed design. The dotted lines in FIGS. 7-11, 13, and 14 represent a pattern of the article that forms a part of the claimed design. 

CLAIM We claim the ornamental design for an air tower, as shown and described. 